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/* $NetBSD: irongate_bus_mem.c,v 1.6 2000/11/29 06:29:10 thorpej Exp $ */
/*-
* Copyright (c) 2000 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/malloc.h>
#include <sys/syslog.h>
#include <sys/device.h>
#include <vm/vm.h>
#include <uvm/uvm_extern.h>
#include <machine/bus.h>
#include <alpha/pci/irongatereg.h>
#include <alpha/pci/irongatevar.h>
#define CHIP irongate
#define CHIP_EX_MALLOC_SAFE(v) (((struct irongate_config *)(v))->ic_mallocsafe)
#define CHIP_MEM_EXTENT(v) (((struct irongate_config *)(v))->ic_mem_ex)
#define CHIP_MEM_SYS_START(v) IRONGATE_MEM_BASE
/*
* AMD 751 core logic appears on EV6. We require at least EV56
* support for the assembler to emit BWX opcodes.
*/
__asm(".arch ev6");
#include <alpha/pci/pci_bwx_bus_mem_chipdep.c>
#include <sys/kcore.h>
extern phys_ram_seg_t mem_clusters[];
extern int mem_cluster_cnt;
void
irongate_bus_mem_init2(bus_space_tag_t t, void *v)
{
int i, error;
/*
* Since the AMD 751 doesn't have DMA windows, we need to
* allocate RAM out of the extent map.
*/
for (i = 0; i < mem_cluster_cnt; i++) {
u_quad_t size;
size = mem_clusters[i].size & ~PAGE_MASK;
error = extent_alloc_region(CHIP_MEM_EXTENT(v),
mem_clusters[i].start, size,
EX_NOWAIT | (CHIP_EX_MALLOC_SAFE(v) ? EX_MALLOCOK : 0));
if (error) {
printf("WARNING: unable to reserve RAM at 0x%lx - 0x%lx (%d)\n",
mem_clusters[i].start, size, error);
}
}
}
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